commitment initially including significant air , ground and naval forces . however , these forces were gradually reduced with the infantry battalion withdrawn from singapore in 1973 , and the two mirage fighter squadrons in 1988 . since then a detachment of orion maritime patrol aircraft , support personnel , and an infantry company known as rifle company butter ##worth have been maintained , as well as occasional deployment ##s of f / a @ - @ 18 hornet fighter aircraft . australian submarines were reportedly also involved in a number of clandestine surveillance missions throughout asian waters in the last decades of the cold war . air ##force and navy units were also involved in tracking soviet ship and submarine movements in the region . since then
commitment initially including significant air, ground and naval forces. however, these forces were gradually reduced with the infantry battalion withdrawn from singapore in 1973, and the two mirage fighter squadrons in 1988. since then a detachment of orion maritime patrol aircraft, support personnel, and an infantry company known as rifle company butterworth have been maintained, as well as occasional deployments of f / a @ - @ 18 hornet fighter aircraft. australian submarines were reportedly also involved in a number of clandestine surveillance missions throughout asian waters in the last decades of the cold war. airforce and navy units were also involved in tracking soviet ship and submarine movements in the region. since then